Double-speed vertical hydraulic jack

Abstract

The utility model provides a double-speed vertical hydraulic jack which comprises a jack body, a bottom plate, an adjusting bolt and a base plate are arranged on the jack body, the bottom plate is fixedly arranged at the bottom of the jack body, guide wheels close to corners are arranged at the bottom of the bottom plate, supporting plates are connected to the two ends of the bottom plate in an up-down sliding mode, and the adjusting bolt is arranged on the supporting plates. A sliding locking piece is arranged between the bottom plate and the supporting plate, the adjusting bolt and the supporting plate are connected in a penetrating and screwing mode and are vertically arranged, and the base plate is arranged at the bottom of the adjusting bolt. The walking idler wheels are arranged at the bottom of the bottom plate, so that the device has a moving function, and compared with the prior art, the device has the advantage of being more labor-saving in moving, the supporting plates are connected to the two ends of the bottom plate in an up-down sliding mode, the adjusting bolts are arranged on the supporting plates, and the base plates are connected to the bottoms of the adjusting bolts. And then a sliding locking piece is arranged between the supporting plate and the bottom plate, so that the switching operation of walking and supporting of the device is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic jack technical field, specifically for a double -speed vertical hydraulic jack. BACKGROUND

[0002] The traditional hydraulic jack is slow in lifting heavy objects during work, and the fixed speed lifting of heavy objects affects the use effect and quality of the equipment.

[0003] The utility model discloses a double -speed hydraulic jack discloses a double -speed hydraulic jack, relates to hydraulic jack technical field, including the oil storage shell, the upper and lower two sides of oil storage shell inner wall are connected with piston cylinder together, the inner wall sliding connection of piston cylinder has piston rod, the right surface fixed connection of oil storage shell has pressure shell, the left side fixed connection of oil storage shell inner wall below has first oil pipe, the pipe wall of first oil pipe is provided with check valve, the upper surface of pressure shell is provided with power device.

[0004] However, the above prior art still has the following problems in use: 1. The double-speed motor that can control lifting without manual operation is added, which further increases the weight of the entire double-speed hydraulic jack, making it extremely inconvenient to move the jack; 2. The height adjustment of the jack is controlled by adjusting the rotation of the adjusting bolt, which is relatively slow when the support height needs to be increased significantly; and it is also laborious to screw.

[0005] Therefore, the utility model provides a double -speed vertical hydraulic jack. Utility model content

[0006] In view of the deficiencies of the prior art, the utility model aims to provide a double -speed vertical hydraulic jack to solve the problems in the background art, which has the advantages of convenient movement and more labor-saving, and also has the advantages of overall height adjustment that is more labor-saving and fast.

[0007] In order to achieve the above object, the utility model is through the following technical scheme to realize: a double-speed vertical hydraulic jack, including jack body, the bottom plate, adjusting bolt and backing plate are provided on the jack body, the bottom plate is fixedly arranged at the bottom of the jack body, the bottom of the bottom plate is provided with a guide wheel close to the corner, the both ends of the bottom plate are slidably connected with a supporting plate, a sliding locking piece is arranged between the bottom plate and the supporting plate, the adjusting bolt and the supporting plate are connected in a threaded manner and are vertically arranged, and the backing plate is arranged at the bottom of the adjusting bolt.

[0008] Further, the both ends of the bottom plate are welded with guide sleeves sleeved outside the supporting plate, the sliding locking piece comprises a bolt and a spring, one side of the guide sleeve is welded with a slot plate, the bolt is slidably connected with the spring and the slot plate, both sides of the guide sleeve are provided with limiting holes slidably matched with the bolt, and one side of the supporting plate is provided with a plurality of positioning holes arranged in an upper and lower arrangement mode and matched with the bolt.

[0009] Further, the outer portion of the bolt is fixedly sleeved with a retaining ring located in the slot plate, and the spring is sleeved on the bolt and located between the retaining ring and the middle plate on the slot plate.

[0010] Further, one end of the bolt is welded with a pull ring located outside the slot plate.

[0011] Further, one side of the supporting plate is welded with a horizontal plate located at the bottom, the upper end surface of the horizontal plate is welded with a silk sleeve sleeved outside the adjusting bolt, and the backing plate and the bottom of the adjusting bolt are rotationally connected.

[0012] Further, the upper end surface of the backing plate is welded with two guide shafts close to the both ends, and the horizontal plate is welded with a guide pipe sleeved outside the guide shaft.

[0013] Further, the other side of the guide sleeve is welded with a handle.

[0014] The utility model has the advantages of the following:

[0015] 1. The utility model discloses a walking roller is arranged at the bottom of the bottom plate, so that the device has a moving function, and compared with the prior art, the device has the advantage that moving is more labor-saving, the supporting plate is slidably connected to the both ends of the bottom plate, the adjusting bolt is arranged on the supporting plate, the backing plate is connected to the bottom of the adjusting bolt, and the sliding locking piece is arranged between the supporting plate and the bottom plate, so that the switching operation of walking and supporting of the device is more convenient.

[0016] 2. The utility model discloses a guide sleeve, a limiting hole, a supporting plate, a positioning hole, a bolt and a spring are arranged, so that the sliding control of the supporting plate relative to the guide sleeve is more convenient and fast, the height of the whole jack can be greatly and quickly adjusted, and the jack is suitable for lifting workpieces with high height. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the double-speed vertical hydraulic jack of the utility model;

[0018] Figure 2 It is Figure 1 the front view;

[0019] Figure 3 It is Figure 1 the schematic view of the local part "a" after amplification.

[0020] In the figure: 1, jack body; 11, bottom plate; 111, guide sleeve; 1111, groove plate; 1112, limiting hole; 1113, handle; 12, adjusting bolt; 13, pad; 131, guide shaft; 2, guide wheel; 3, supporting plate; 31, positioning hole; 32, cross plate; 321, wire sleeve; 322, guide pipe; 4, sliding locking piece; 41, latch; 411, blocking ring; 412, pull ring; 42, spring. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0022] Please refer to Figures 1 to 3 The utility model provides a technical scheme: a double-speed vertical hydraulic jack, including jack body 1, the principle of double-speed of the present jack body 1 and the principle in the patent document mentioned in background art are identical. The jack body 1 is provided with bottom plate 11, adjusting bolt 12 and pad 13, the bottom plate 11 is fixedly arranged at the bottom of the jack body 1, and the bottom plate 11 plays the role of supporting the jack body 1.

[0023] In the technical scheme, the guide wheel 2 close to the corner is arranged at the bottom of the bottom plate 11, the arrangement of the guide wheel 2 makes the movement of the heavy jack body 1 more labor-saving, and manual lifting and shifting are not needed. The both ends of the bottom plate 11 are slidably connected with the supporting plate 3, the sliding locking piece 4 is arranged between the bottom plate 11 and the supporting plate 3, the adjusting bolt 12 and the supporting plate 3 are vertically connected in penetration and rotation, the pad 13 is arranged at the bottom of the adjusting bolt 12, the pad 13 contacts the placing surface during use, the height of the bottom plate 11 relative to the placing surface can be adjusted when the adjusting bolt 12 is screwed, and the hydraulic support lifting of components of different heights is facilitated.

[0024] When the jack body 1 needs to be moved by using the guide wheel 2, the height of the pad 13 is controlled to be higher than the height of the guide wheel 2 by the sliding locking piece 4.

[0025] Specifically, both ends of the bottom plate 11 are welded with guide sleeves 111 sleeved outside the supporting plate 3, the sliding locking piece 4 comprises a latch 41 and a spring 42, one side of the guide sleeve 111 is welded with a slot-shaped plate 1111, the latch 41 is slidably connected through the spring 42 and the slot-shaped plate 1111, in particular, a guide hole with a clearance fit with the latch 41 is formed on the crossbeam on the slot-shaped plate 1111, both sides of the guide sleeve 111 are provided with limiting holes 1112 slidably fitted with the latch 41, that is, the limiting holes 1112 are throughly arranged, one side of the supporting plate 3 is provided with a plurality of positioning holes 31 arranged in an up-down manner and matched with the latch 41, when the latch 41 is inserted into the limiting hole 1112 and inserted into one of the positioning holes 31, at this time, the supporting plate 3 is locked in the guide sleeve 111, and the distance between the bottom plate 11 and the placement surface can be quickly adjusted by inserting and pulling the latch 41 to switch the insertion of different positioning holes 31.

[0026] Further, the latch 41 is externally fixedly sleeved with a retaining ring 411 located in the slot-shaped plate 1111, the spring 42 is sleeved on the latch 41 and located between the retaining ring 411 and the middle plate on the slot-shaped plate 1111, under the elastic pushing force of the spring 42, the latch 41 is in the state of being inserted into the two limiting holes 1112, when the latch 41 is manually pulled outward, it will be separated from the limiting hole 1112, and at the same time, the spring 42 will be compressed, and this arrangement has the advantage that the insertion and locking of the latch 41 are more reliable. One end of the latch 41 is welded with a pull ring 412 located outside the slot-shaped plate 1111, and the pull ring 412 is arranged to facilitate manual operation by the operator.

[0027] In the embodiment, one side of the supporting plate 3 is welded with a horizontal plate 32 located at the bottom, and the supporting plate 3 and the horizontal plate 32 form a right-angle plate structure, and the upper end surface of the horizontal plate 32 is throughly welded with a wire sleeve 321 sleeved outside the adjusting bolt 12, and the base plate 13 and the bottom of the adjusting bolt 12 are rotationally connected, so that the height of the bottom plate 11 can be finely adjusted by manually adjusting the adjusting bolt 12.

[0028] Further, the upper end surface of the base plate 13 is welded with two guide shafts 131 close to both ends, and the horizontal plate 32 is welded with a guide pipe 322 sleeved outside the guide shaft 131, and this arrangement can improve the stability of the support of the base plate 13.

[0029] In the embodiment, the other side of the guide sleeve 111 is welded with a handle 1113. When a large stroke up-down sliding of the supporting plate 3 is required, the corresponding guide sleeve 111 is lifted in place by holding the handle 1113, and at this time, the position of the supporting plate 3 in the guide sleeve 111 can be easily adjusted by the latch 41.

[0030] Working principle: when the body 1 of the jack needs to be moved, manually lift the corresponding guide sleeve 111 through the lifting handle 1113, and then manually pull the corresponding latch 41 outward through the pull ring 412, at this time the locking between the supporting plate 3 and the guide sleeve 111 is released, then control the supporting plate 3 to move upward, so that the height of the pad plate 13 is higher than the height of the guide wheel 2, control the height of another pad plate 13 in this way, which is higher than the height of the guide wheel 2, at this time the guide wheel 2 is in contact with the ground, then directly push the body 1 of the jack to easily move it.

[0031] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A dual-speed vertical hydraulic jack, comprising a jack body (1), wherein the jack body (1) is provided with a base plate (11), an adjusting bolt (12) and a pad (13), wherein the base plate (11) is fixedly arranged at the bottom of the jack body (1), and characterized in that: The bottom of the base plate (11) is provided with a guide wheel (2) near the corner, and the two ends of the base plate (11) are connected to the supporting plate (3) in a sliding manner up and down. A sliding locking member (4) is provided between the base plate (11) and the supporting plate (3). The adjusting bolt (12) and the supporting plate (3) are screwed through and connected and are vertically arranged. The pad (13) is provided at the bottom of the adjusting bolt (12).

2. A dual-speed vertical hydraulic jack according to claim 1, characterized in that: Guide sleeves (111) are welded at both ends of the base plate (11) and are sleeved on the outside of the support plate (3). The sliding locking member (4) includes a latch (41) and a spring (42). A groove plate (1111) is welded on one side of the guide sleeve (111). The latch (41) is slidably connected to the groove plate (1111) through the spring (42). Limiting holes (1112) that are slidably matched with the latch (41) are provided on both sides of the guide sleeve (111). A plurality of positioning holes (31) that are arranged vertically and matched with the latch (41) are provided on one side of the support plate (3).

3. A dual-speed vertical hydraulic jack according to claim 2, characterized in that: The outer fixing sleeve of the latch (41) is provided with a retaining ring (411) located inside the groove plate (1111), and the spring (42) is sleeved on the latch (41) and located between the retaining ring (411) and the middle plate on the groove plate (1111).

4. A dual-speed vertical hydraulic jack according to claim 3, characterized in that: One end of the latch (41) is welded with a pull ring (412) located outside the grooved plate (1111).

5. The dual-speed vertical hydraulic jack according to claim 2, characterized in that: A horizontal plate (32) located at the bottom is welded to one side of the support plate (3), and a threaded sleeve (321) sleeved on the outside of the adjusting bolt (12) is welded through the upper end surface of the horizontal plate (32), and the backing plate (13) is rotatably connected to the bottom of the adjusting bolt (12).

6. The dual-speed vertical hydraulic jack according to claim 5, characterized in that: Two guide shafts (131) close to both ends are welded to the upper end surface of the pad (13), and a guide tube (322) sleeved on the outside of the guide shaft (131) is welded to the transverse plate (32).

7. The dual-speed vertical hydraulic jack according to claim 2, characterized in that: A handle (1113) is welded to the other side of the guide sleeve (111).

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